| article html file updated | 9 February 2020 04:02 CET | Update | https://www.mdpi.com/2072-6651/10/2/50 |
| article html file updated | 30 September 2019 03:41 CEST | Update | - |
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| article html file updated | 17 April 2019 22:41 CEST | Update | - |
| article html file updated | 28 March 2019 17:43 CET | Update | - |
| article html file updated | 14 March 2018 12:27 CET | Update | - |
| article html file updated | 24 January 2018 03:19 CET | Original file | - |
| article xml uploaded. | 24 January 2018 03:18 CET | Update | https://www.mdpi.com/2072-6651/10/2/50/xml |
| article xml uploaded. | 23 January 2018 18:16 CET | Original file | - |
| article pdf uploaded. | 23 January 2018 18:16 CET | Version of Record | https://www.mdpi.com/2072-6651/10/2/50/pdf |
